( )内の語を使ってWe ( ) the song since last week. (practice)
答have been practicing
have been + practicing
( )内の語を使ってMy father ( ) the car for an hour. (wash)
答has been washing
has been + washing
( )内の語を使ってYuki ( ) that book since yesterday. (read)
答has been reading
has been + reading
( )内の語を使ってThe children ( ) in the pool for two hours. (swim)
答have been swimming
have been + swimming
現在完了進行形にI am writing this letter. (since ten o'clock を加えて)
答I have been writing this letter since ten o'clock.
have been + writing
現在完了進行形にHe is watching TV. (for three hours を加えて)
答He has been watching TV for three hours.
has been + watching
現在完了進行形にMy sister is cleaning her room. (since noon を加えて)
答My sister has been cleaning her room since noon.
has been + cleaning
否定文にThey have been walking in the forest for two hours.
答They have not been walking in the forest for two hours.
have のうしろに not
否定文にEmi has been listening to music since this morning.
答Emi has not been listening to music since this morning.
has のうしろに not
疑問文に→Yesで答えるWe have been looking for the key for an hour.
答Have we been looking for the key for an hour? ― Yes, we have.
Have を主語の前に出す